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        <FormAndLineReferenceDesc>PART I, LINE 11F AND PART IV, SECTION A, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION SUPPORTS BENEFICIARY ORGANIZATIONS WHICH ARE DESIGNATED BY BOTH BEING NAMED SPECIFICALLY IN THE ORGANIZING DOCUMENTS AND BY CLASS OR PURPOSE, THE NUMBER OF WHICH IS AN ESTIMATE BASED ON INFORMATION FOUND AT HTTPS://WWW.PRIVATESCHOOLREVIEW.COM/ARIZONA.</ExplanationTxt>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART I, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>AS PERMITTED UNDER INTERNAL REVENUE CODE SECTION 509(A)(3) AND TREASURY REGULATION SECTION 1.509(A)-4 (D)(2)(I)(B), INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION IS ORGANIZED AND OPERATED TO SUPPORT OR BENEFIT ONE OR MORE BENEFICIARY ORGANIZATIONS WHICH ARE DESIGNATED BY BOTH BEING NAMED SPECIFICALLY IN THE ORGANIZING DOCUMENTS AND BY CLASS OR PURPOSE DEFINED AS FOLLOWS: ORGANIZATIONS WHICH ARE DESCRIBED IN SECTIONS 501(C)(3) AND 509(A)(1), 509(A)(2) OR 170(B)(1)(A) OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED, AND WHICH ARE OPERATING ONE OR MORE PRIVATE SCHOOLS IN ARIZONA FOR THE EDUCATION OF CHILDREN IN GRADES KINDERGARTEN THROUGH TWELFTH GRADES, OR SOME PORTION THEREOF. THE EXACT IDENTITY OF THE ORGANIZATIONS FITTING WITHIN THE CLASS OR PURPOSE DESCRIBED IS UNKNOWN TO THE ORGANIZATION AS THEY MAY FORM OR TERMINATE WITHOUT NOTICE TO THE ORGANIZATION. ACCORDINGLY, ONLY THOSE SUPPORTED ORGANIZATIONS WHO, DURING THE YEAR, RECEIVED SCHOLARSHIP MONEY ON BEHALF OF STUDENTS ATTENDING THEIR SCHOOLS ARE LISTED.</ExplanationTxt>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION A, LINE 2</FormAndLineReferenceDesc>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION A, LINE 5A AND 5B</FormAndLineReferenceDesc>
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      <Form990ScheduleAPartVIGrp>
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      <Form990ScheduleAPartVIGrp>
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        <ExplanationTxt>AS PERMITTED UNDER INTERNAL REVENUE CODE SECTION 509(A)(3) AND TREASURY REGULATION SECTION 1.509(A)-4 (D)(2)(I)(B), INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION IS ORGANIZED AND OPERATED TO SUPPORT OR BENEFIT ONE OR MORE BENEFICIARY ORGANIZATIONS WHICH ARE DESIGNATED BY CLASS OR PURPOSE AS FOLLOWS: ORGANIZATIONS WHICH ARE DESCRIBED IN SECTIONS 501(C)(3) AND 509(A)(1), 509(A)(2) OR 170(B)(1)(A) OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED, AND WHICH ARE OPERATING ONE OR MORE PRIVATE SCHOOLS IN ARIZONA FOR THE EDUCATION OF CHILDREN IN GRADES KINDERGARTEN THROUGH TWELFTH GRADES, OR SOME PORTION THEREOF.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>AS THE ORGANIZATION HAS GROWN, ITS BOARD HAS RECOGNIZED THAT THE MEMBER ORGANIZATIONS HAVE LIMITATIONS WITH RESPECT TO THE NUMBER OF STUDENTS WHO CAN BE SERVED. LIMITATIONS DUE TO THEIR PHYSICAL CAMPUS AND STAFF CAPACITY, ACCESSIBILITY DUE TO THE DISTANCE BETWEEN QUALIFIED STUDENTS AND THE LOCATIONS OF THE MEMBER SCHOOLS, INABILITY TO SERVE CHILDREN WITH CERTAIN PHYSICAL AND/OR DEVELOPMENTAL SPECIAL NEEDS, OR INABILITY TO OTHERWISE SERVE STUDENTS WITH NEEDS SUCH THAT STUDENTS MAY LEARN BEST WITH ACCOMODATIONS, CIRRICULUM OR SUPPORT SERVICES OTHER THAN THOSE AVAILABLE AT THE MEMBER SCHOOLS ALL CREATED BARRIERS TO SERVING THE MAXIMUM POSSIBLE NUMBER OF STUDENTS. BECAUSE IT IS CORE TO THE MISSION OF THE MEMBER SCHOOLS TO PROVIDE FOR THE PRIVATE EDUCATION OF AS MANY CHILDREN AS POSSIBLE, AND AS PERMITTED UNDER INTERNAL REVENUE CODE SECTION 509(A)(3) AND TREASURY REGULATION SECTION 1.509(A)-4 (D)(2)(I)(B), INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION AMENDED ITS ARTICLES OF INCORPORATION TO EXPAND ITS SUPPORTED ORGANIZATIONS FROM THE FOUR ORIGINAL SUPPORTED ORGANIZATIONS TO ALL ORGANIZATIONS DESIGNATED BY CLASS OR PURPOSE AS FOLLOWS: ORGANIZATIONS DESCRIBED IN SECTIONS 501(C)(3) AND 509(A)(1), 509(A)(2) OR 170(B)(1)(A) OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED, WHICH ARE OPERATING ONE OR MORE ARIZONA PRIVATE SCHOOLS FOR THE EDUCATION OF CHILDREN IN GRADES KINDERGARTEN THROUGH TWELFTH GRADES, OR SOME PORTION THEREOF.</ExplanationTxt>
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        <ExplanationTxt>THE ORGANIZATION'S MEMBERS ARE ALL SAINT'S EPISCOPAL DAY SCHOOL, A DIVISION OF ALL SAINT'S EPISCOPAL CHURCH; PHOENIX COUNTRY DAY SCHOOL; THE GREGORY SCHOOL AND GREEN FIELDS COUNTRY DAY SCHOOL.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
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        <ExplanationTxt>FORM 990 WILL BE PRESENTED AS A DRAFT TO THE FOUNDATION'S PRESIDENT AND TREASURER FOR REVIEW PRIOR TO ITS FILING. AN OPEN INVITATION SHALL BE GIVEN TO ALL MEMBERS OF THE FOUNDATION'S BOARD OF DIRECTORS AND TO ITS OFFICERS TO REVIEW AND COMMENT ON THE FORM 990.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION REGULARLY MONITORS ITS COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY OBTAINING ANNUAL SIGNED CONFLICT OF INTEREST POLICY ACKNOWLEDGEMENTS FROM EVERY BOARD MEMBER AND OFFICER.</ExplanationTxt>
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        <ExplanationTxt>INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION DOES NOT COMPENSATE THEIR CEO OR TOP MANAGEMENT OFFICIAL. ALL COMPENSATION IS DETERMINED BY EACH MEMBER'S RESPECTIVE EMPLOYERS WITHOUT REGARD TO THEIR EFFORTS ON BEHALF OF INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VII: HOURS WORKED FOR RELATED ORGANIZATION</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH OF THE DIRECTORS WORKED FOR A RELATED ORGANIZATION ON A FULL-TIME BASIS (APPROXIMATELY 40 HOURS A WEEK). NONE OF THE DIRECTORS ARE COMPENSATED FOR THEIR TIME WORKING FOR THE INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION.</ExplanationTxt>
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      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>1</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II</FormAndLineReferenceDesc>
        <ExplanationTxt>AS PERMITTED UNDER INTERNAL REVENUE CODE SECTION 509(A)(3) AND TREASURY REGULATION SECTION 1.509(A)-4 (D)(2)(I)(B), INDEPENDENT SCHOOLS CORPORATE TAX FOUNDATION IS ORGANIZED AND OPERATED TO SUPPORT OR BENEFIT ONE OR MORE BENEFICIARY ORGANIZATIONS WHICH ARE DESIGNATED BY CLASS OR PURPOSE AS FOLLOWS: ORGANIZATIONS WHICH ARE DESCRIBED IN SECTIONS 501(C)(3) AND 509(A)(1), 509(A)(2) OR 170(B)(1)(A) OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED, AND WHICH ARE OPERATING ONE OR MORE PRIVATE SCHOOLS IN ARIZONA FOR THE EDUCATION OF CHILDREN IN GRADES KINDERGARTEN THROUGH TWELFTH GRADES, OR SOME PORTION THEREOF. THE EXACT IDENTITY OF THE ORGANIZATIONS FITTING WITHIN THE CLASS OR PURPOSE DESCRIBED IS UNKNOWN TO THE ORGANIZATION AS THEY MAY FORM OR TERMINATE WITHOUT NOTICE TO THE ORGANIZATION. ACCORDINGLY, ONLY THOSE SUPPORTED ORGANIZATIONS WHO, DURING THE YEAR, RECEIVED SCHOLARSHIP MONEY ON BEHALF OF STUDENTS ATTENDING THEIR SCHOOLS ARE LISTED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>